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  • Title: [Differential x-ray and ultrasonic diagnosis of filling defects of the calyceal-pelvic systems of the kidneys].
    Author: Perel'man VM, Buĭlov VM.
    Journal: Vestn Rentgenol Radiol; 1989; (2):49-55. PubMed ID: 2662574.
    Abstract:
    The order of radio- and ultrasound diagnosis in the filling defects of the renal calyceal-pelvic systems, resulting from radionegative concrements, "vascular imprints", papillary tumors, and renal tumors affecting the calyceal-pelvic system, should be as follows: excretory urography, ultrasound scanning of the kidneys, retrograde pyelography with a double contrast study (a patient in a vertical posture), and angiography. Reliable diagnostic information obtained at the 1st or 2nd stages of investigation, permits the use of less invasive methods like excretory urography and ultrasound scanning. Retrograde pyelography with a double contrast study is recommended in a suspected pelvic papillary tumor. Angiography is indicated for suspected pathological vascular changes and for a planned operation.
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